i have a excel file with product and each product contains items and date of sold,the excel file updated over a period of time,how can we use pivot transformation?

Hi

i have a excel file with productName and each product contains items and date of sold,the excel file updated over a period of time,how can we use pivot transformation?

the file is not static,but package used by pivot transformation is static template,so how can we pivot the data using pivot transformation?

thanks and regards

samba